Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1993-09-23
1995-10-10
Recla, Henry J.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
200401, 200 4311, 200 4314, 200 4315, H01H 164
Patent
active
054572959
ABSTRACT:
A circuit breaker-includes: a casing having a base and a main cover secured to the base, the casing accommodating a circuit breaking mechanism; a recesses formed in one surface of the main cover, the opposite surface of which is on the side of the base, the recess being adapted to receive an auxiliary device of the circuit breaking mechanism; and an auxiliary cover mounted on the main cover in such a manner as to close the recess. The circuit breaker is automatically tripped when the auxiliary cover is opened, thus permitting installation of the auxiliary device thereon with high security.
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patent: 4978816 (1990-12-01), Castonguay et al.
patent: 5113043 (1992-05-01), Morris
patent: 5219070 (1993-06-01), Grunert et al.
Fujii Hiroshi
Fujiwara Kouhei
Hosogai Setsuo
Iio Tsukasa
Kobayashi Yoshiaki
Mitsubishi Denki & Kabushiki Kaisha
Recla Henry J.
Walczak David J.
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